Add metrics.json to saes_sql_interp_bm2_cs1_experiment_4.3_syn=True/k=32

saes_sql_interp_bm2_cs1_experiment_4.3_syn=True/k=32/model.layers.3.mlp/metrics.json

@@ -0,0 +1 @@
+{"fvu": 9.693053289083764e-05, "dead_pct": 0.4240327477455139}